Category Archives: Articles

It’s “Daylight Saving Time” Not “Daylight Savings Time”

Motivator Daylight Saving Time

Today I found out it’s “daylight saving time”, not “daylight savings time”.   “Daylight saving time” uses the present participle “saving” as an adjective, as in “labor saving device”. Bonus Facts: Ben Franklin often gets credit for being the “genius” who came up with daylight saving time.  Interestingly though, the letter he proposed something like what we now call daylight […]

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How an LED Works

How and LED Works

Today I found out how an LED works.  An LED or “Light Emitting Diode” is basically as the name describes; it is a special type of diode that is specifically optimized to give off light, usually in the visual or infrared spectrum, as electricity is passed through it. A diode is a special type of semiconductor that has many uses.  One of […]

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Duct Tape was Originally Named “Duck” Tape and Came in Green, Not Silver

Today I found out Duct tape was originally named “Duck” tape and originally only came in green, not silver. Duct tape was originally invented by Johnson & Johnson’s Permacel division during WWII for the military.  The military specifically needed a waterproof tape that could be used to keep moisture out of ammunition cases.  This is why the originally Duct tape […]

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